Home / 1,198,765.52-1,798,268.55-345,858.29

Finding the Fourth Proportional to 1,198,765.52, 1,798,268.55 and 345,858.29

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Solution

The fourth proportional to 1,198,765.52, 1,798,268.55 and 345,858.29 is: 518,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,765.52 : 1,798,268.55 = 345,858.29 : x
  2. Step 2: Convert to fraction form
    1,198,765.52/1,798,268.55 = 345,858.29/x
  3. Step 3: Cross multiply
    1,198,765.52x = 1,798,268.55 × 345,858.29
  4. Step 4: Simplify right side
    1,198,765.52x = 621,946,085,663.78
  5. Step 5: Solve for x
    x = 621,946,085,663.78/1,198,765.52
  6. Step 6: Final answer
    x = 518,822.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.